CN219800330U - Portable teaching aid case - Google Patents

Abstract

The utility model discloses a portable teaching aid box, which belongs to the technical field of teaching aids and aims at the problems that the height of a writing board is inconvenient to adjust and the writing board is limited; according to the utility model, through the mutual matching operation among the movable groove, the rotating rod, the gear, the rack, the sliding block, the sliding column, the connecting rod and the writing board, the height of the writing board can be adjusted, so that better teaching can be realized.

Description

Portable teaching aid case

Technical Field

The utility model belongs to the technical field of teaching aids, and particularly relates to a portable teaching aid case.

Background

Along with development of scientific technology and progress of times, various teaching has corresponding teaching aid, so the teaching aid needs to be stored and transported through a teaching aid box, and the teaching aid box is generally of a cuboid structure and has the advantages of large capacity, convenience in carrying, good waterproof performance and the like.

The existing teaching aid box only can store and place teaching aids in the use process, and can not assist people in teaching operations anytime and anywhere, so that the teaching aid box is weak in functionality and affects the practicability.

Therefore, a portable teaching aid case is needed, and the problems that in the prior art, the height of a writing board is inconvenient to adjust and the writing board is limited are solved.

Disclosure of Invention

The utility model aims to provide a portable teaching aid box for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a portable teaching aid case, includes the box, the movable groove has all been seted up to the front end both sides of box, the inside rotation in movable groove is connected with the dwang, the outside of dwang is fixed with the gear, the outside meshing of gear is connected with the rack, the inside sliding connection in movable groove has the sliding block, the inside sliding connection in movable groove has the sliding column, the top of sliding column is fixed with the connecting rod jointly, the outside rotation of connecting rod is connected with the clipboard, the mounting groove has all been seted up at the both ends of clipboard, the inside of mounting groove is provided with the atress spring, the inside sliding connection in mounting groove has the stopper, the inside sliding connection in mounting groove has the fixture block.

In the scheme, the bayonet is formed on opposite sides of the sliding column, the clamping block is clamped with the inside of the bayonet, and radians are arranged outside the clamping block and the bayonet.

It is further worth to say that the bottom fixed connection of sliding block is on the top of rack, the bottom fixed connection of sliding column is in the top center department of sliding block.

It is still further to be noted that the standing groove has been seted up to the inner wall of box, the standing groove is fixed with the installation piece, the dwang rotates the inside of connecting at the installation piece, the one end of dwang is fixed with the rotation handle.

As a preferable implementation mode, the front end of the box body is fixedly provided with a pulling handle, and four corners of the bottom end of the box body are fixedly provided with universal wheels.

As a preferred implementation mode, the opposite sides of the stress spring are fixedly connected to the opposite sides of the placing groove, the opposite sides of the stress spring are fixedly connected to the opposite sides of the limiting block, and the opposite sides of the clamping block are fixedly connected to the opposite sides of the limiting block.

As a preferred embodiment, a plurality of jacks are formed on the opposite sides of the sliding column, and bolts are connected inside the jacks in a sliding manner.

Compared with the prior art, the portable teaching aid box provided by the utility model at least comprises the following components

The beneficial effects are that:

(1) Through the operation of mutually supporting between movable groove, dwang, gear, rack, sliding block, slip post, connecting rod, the clipboard, can realize carrying out the altitude mixture control with the clipboard to can realize better teaching.

(2) Through the operation of mutually supporting between clipboard, mounting groove, stress spring, stopper, fixture block, installation piece, the bayonet socket, can realize carrying out spacing fixedly with the clipboard to the clipboard rotates when preventing the teaching, leads to the teaching inconvenient.

Drawings

FIG. 1 is a front perspective view of the present utility model;

FIG. 2 is a state diagram of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

fig. 4 is a front cross-sectional view of the writing board of the present utility model.

In the figure: 1. a case; 2. a movable groove; 3. a rotating lever; 4. a gear; 5. a rack; 6. a sliding block; 7. a sliding column; 8. a bayonet; 9. a connecting rod; 10. a writing board; 11. a mounting groove; 12. a force spring; 13. a limiting block; 14. a clamping block; 15. a mounting block; 16. a placement groove; 17. a rotating handle; 18. pulling the handle; 19. a universal wheel; 20. a jack; 21. a bolt.

Detailed Description

The utility model is further described below with reference to examples.

Referring to fig. 1 to 4, the present utility model provides a portable teaching aid case, comprising a case 1, wherein both sides of the front end of the case 1 are provided with a movable groove 2, the movable groove 2 is mainly capable of facilitating sliding of a rack 4, and further capable of realizing limited sliding of a sliding block 6 and a sliding column 7, so that it can drive a connecting rod 9 and a tablet 10 to lift and lower, so that it is convenient for adjusting the height of the tablet 10, the inside of the movable groove 2 is rotatably connected with a rotating rod 3, the rotating rod 3 is mainly capable of driving a gear 4 to rotate, and further capable of driving a rack 5 to slide, so that it can drive the sliding block 6 and the sliding column 7 to slide and lift and lower, the outside of the rotating rod 3 is fixedly provided with a gear 4, the outside of the gear 4 is engaged with the rack 5, the rack 5 is mainly capable of being engaged with the gear 4, so that it can drive the sliding block 6 and the sliding column 7 to slide, the inside of the movable groove 2 is slidingly connected with the sliding block 6, the inside of the movable groove 2 is slidingly connected with the sliding column 7, the sliding column 7 is mainly capable of driving the connecting rod 9 to lift and lower, so that it can drive the tablet 10 to lift and lower, the top end of the sliding block 7 is mainly capable of driving the tablet 10, the rotating rod 3 is mainly capable of driving the gear 9 is mainly to rotate, the gear 9 is mainly capable of driving the sliding, the limiting block is fixedly connected with the tablet 10, the sliding block 11 is mounted with the sliding block 11, the sliding block 11 is further capable of driving the sliding 11, the limiting block 11 is mounted with the sliding block 11, the limiting block 11 is mainly and the limiting block 11 is capable of being driven by a limited block 11, and 13 is mounted with the sliding 11, and is capable of being driven by a limited 13, and 13 and is mainly and is capable of being driven and is mounted and stressed by a limited 13, and is slidably and is mounted and is capable of and 13. And then can realize carrying out spacing fixed with writing board 10, make it can writing board 10 keep firm, the inside sliding connection of mounting groove 11 has fixture block 14, and fixture block 14 mainly can be fixed with bayonet socket 8, makes it fix writing board 10.

Further, as shown in fig. 2, 3 and 4, it is worth specifically explaining that the bayonets 8 are all opened on opposite sides of the sliding column 7, the clamping blocks 14 are clamped with the interiors of the bayonets 8, radians are arranged outside the clamping blocks 14 and the bayonets 8, and the clamping blocks 14 can be mainly clamped with the bayonets 8, so that the writing board 10 can be limited and fixed, and better teaching is facilitated.

Further, as shown in fig. 2 and 3, it is worth specifically explaining that the bottom end of the sliding block 6 is fixedly connected to the top end of the rack 5, the bottom end of the sliding column 7 is fixedly connected to the center of the top end of the sliding block 6, and the sliding column 7 can mainly drive the connecting rod 9 to lift, so that the writing board 10 can be driven to lift.

The scheme comprises the following working processes: when using portable teaching aid case, through rotating 17, make it can drive dwang 3 and rotate, further can drive gear 4 and rotate, thereby can further drive rack 5 and slide, when rack 5 slides simultaneously, can make it drive slider 6 and slip post 7 and slide, further can drive connecting rod 9 and go up and down, can drive clipboard 10 and go up and down simultaneously, thereby realize can adjusting the height of clipboard 10, make it be convenient for adjust, and through rotating clipboard 10, further can laminate mutually with bayonet socket 8 through fixture block 14, further can realize fixture block 14 atress, make it can extrude stopper 13 atress, thereby extrude atress spring 12, can realize driving simultaneously, and then fixture block 14 atress, can make fixture block 14 laminate mutually with bayonet socket 8, make it carry out spacing fixedly with clipboard 10.

The working process can be as follows: through rotating 17, make it drive dwang 3 rotate, and then can realize driving gear 4 and rotate, make it can drive gear 5 and slide, further can drive clipboard 10 and go up and down to slide, make it adjust clipboard 10 better, thereby carry out better teaching, and through rotating clipboard 10, make its fixture block 14 and bayonet socket 8 looks block, and then can realize carrying out spacing fixed with clipboard 10, prevent to rotate during the teaching.

Further, as shown in fig. 1, 2 and 3, it is worth specifically explaining that the inner wall of the box 1 is provided with a placement groove 16, the placement groove 16 is fixedly provided with a mounting block 15, the rotating rod 3 is rotatably connected in the mounting block 15, one end of the rotating rod 3 is fixedly provided with a rotating handle 17, and the rotating handle 17 mainly can drive the gear 4 to rotate so as to drive the rack 5 to slide.

Further, as shown in fig. 1, 2 and 3, it should be specifically explained that the front end of the box 1 is fixed with a pulling handle 18, four corners of the bottom end of the box 1 are all fixed with universal wheels 19, and the universal wheels 19 can mainly facilitate driving the box 1 to move.

As further shown in fig. 2, 3 and 4, it should be specifically explained that the opposite sides of the stress spring 12 are fixedly connected to the opposite sides of the placement groove 16, the opposite sides of the stress spring 12 are fixedly connected to the opposite sides of the limiting block 13, the opposite sides of the clamping block 14 are fixedly connected to the opposite sides of the limiting block 13, and the limiting block 13 mainly drives the clamping block 14 to slide and bear force, so that the clamping block can be clamped with the bayonet 8, and further the writing board 10 can be limited.

Further, as shown in fig. 3, it is worth specifically explaining that a plurality of insertion holes 20 are formed on opposite sides of the sliding column 7, the insertion holes 20 are internally and slidably connected with bolts 21, and the bolts 21 can mainly fix and limit the sliding column 7 with the insertion holes 20, so that the gear 4 and the rack 5 are limited.

To sum up: through rotating 17, make it can drive dwang 3 and rotate to the realization drives gear 4 and rotates, further drives clipboard 10 and goes up and down, thereby is convenient for adjust the height of clipboard 10, is simultaneously through fixture block 14 and bayonet socket 8 looks block, enables the inconvenient spacing fixed of clipboard 10, thereby leads to the inconvenient teaching.

Claims (7)

1. The utility model provides a portable teaching aid case, includes box (1), its characterized in that, movable groove (2) have all been seted up to the front end both sides of box (1), the inside rotation of movable groove (2) is connected with dwang (3), the outside of dwang (3) is fixed with gear (4), the outside meshing of gear (4) is connected with rack (5), the inside sliding connection of movable groove (2) has sliding block (6), the inside sliding connection of movable groove (2) has sliding column (7), the top of sliding column (7) is fixed with connecting rod (9) jointly, the outside rotation of connecting rod (9) is connected with clipboard (10), mounting groove (11) have all been seted up at the both ends of clipboard (10), the inside of mounting groove (11) is provided with atress spring (12), the inside sliding connection of mounting groove (11) has stopper (13), the inside sliding connection of mounting groove (11) has fixture block (14).

2. A portable teaching aid case according to claim 1 and characterized in that: the bayonet (8) has all been seted up to the opposite side of slip post (7), fixture block (14) and the inside looks block of bayonet (8), the outside of fixture block (14) and bayonet (8) all is provided with the radian.

3. A portable teaching aid case according to claim 1 and characterized in that: the bottom end of the sliding block (6) is fixedly connected to the top end of the rack (5), and the bottom end of the sliding column (7) is fixedly connected to the center of the top end of the sliding block (6).

4. A portable teaching aid case according to claim 1 and characterized in that: the inner wall of box (1) has seted up standing groove (16), standing groove (16) are fixed with installation piece (15), dwang (3) rotate and connect in the inside of installation piece (15), the one end of dwang (3) is fixed with rotation handle (17).

5. A portable teaching aid case according to claim 1 and characterized in that: the front end of the box body (1) is fixed with a pulling handle (18), and four corners of the bottom end of the box body (1) are respectively fixed with universal wheels (19).

6. A portable teaching aid case according to claim 1 and characterized in that: opposite sides of the stress spring (12) are fixedly connected to opposite sides of the placing groove (16), opposite sides of the stress spring (12) are fixedly connected to opposite sides of the limiting block (13), and opposite sides of the clamping block (14) are fixedly connected to opposite sides of the limiting block (13).

7. A portable teaching aid case according to claim 1 and characterized in that: a plurality of jacks (20) are formed in the opposite sides of the sliding column (7), and bolts (21) are connected inside the jacks (20) in a sliding mode.